Get ready to feel very emotional with "Promise 약속 - Inst." by Cha So Yeon. With a 128 BPM and 4 time signature, the rhythms flow in F♯/G♭ minor. Spanning 3 minutes and 51 seconds, "Promise 약속 - Inst." radiates low energy from start to finish. Let the very emotional vibes of this track carry you away.